package com.bigkoo.pickerview.adapter;

import java.util.List;

/**
 * The simple Array wheel adapter
 *
 * @param <T> the element type
 */
public class ArrayWheelAdapter<T> implements WheelAdapter
{
	
	/**
	 * The default items length
	 */
	public static final int DEFAULT_LENGTH = 4;
	
	// items
	private List<T> items;

	// length
	private int length;

	/**
	 * Constructor
	 *
	 * @param items  the items
	 * @param length the max items length
	 */
	public ArrayWheelAdapter(List<T> items, int length)
	{
		this.items = items;
		this.length = length;
	}
	
	/**
	 * Contructor
	 *
	 * @param items the items
	 */
	public ArrayWheelAdapter(List<T> items)
	{
		this(items, DEFAULT_LENGTH);
	}

	@Override
	public Object getItem(int index)
	{
		if (index >= 0 && index < items.size())
		{
			return items.get(index);
		}
		return "";
	}

	@Override
	public int getItemsCount()
	{
		return items.size();
	}

	@Override
	public int indexOf(Object o)
	{
		return items.indexOf(o);
	}

}
